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经营范围
发明名称
Wheel for tractors, agricultural implements, and the like
摘要
申请公布号
US1748190(A)
申请公布日期
1930.02.25
申请号
US19270199071
申请日期
1927.06.15
申请人
DAVID RONALDSON
发明人
RONALDSON DAVID
分类号
B60B15/02
主分类号
B60B15/02
代理机构
代理人
主权项
地址
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